1.
healthy habits 
2.I sleep 8 hours every night. How about you?

How much milk do I have?
water do you need every day?
coffee would you like?
3.My mother wanted me to drink it.
I don’t want you to lose heart.



Is her lifestyle different from yours?
What are the differences between milk and yogurt?
I don’t think differences are important between friends.
6.although (不与but连用)
Although he is a six-year-old boy, he can speak good English.
(He can speak good English, although he is a six-year-old boy.)
e.g.You must try to eat less meat.
less+[U]
e.g.Adults drink less milk than babies.
Babies drink more milk than adults.

7.health,healthy,unhealthy
e.g.Brushing your teeth twice a day helps you get healthy.
Ben always sleeps late, that’s ________. (unhealthy)
Vegetables keep you in good ________. (health)